Photo: Eric Jones · CC BY-SA 2.0A Welsh-speaking village: 52% of Valley’s residents speak Welsh
Residents who describe themselves as White British: 97%, above 97% of UK towns. Valley is home to 2,003 residents in 919 households, by the 2021 Census. Census figures put households with dependent children at 23% here. On shared households of unrelated adults, Valley sits lower than 99% of UK towns: 0.9%.
What the Census says about Valley’s people
A Welsh-speaking village
1,021 residents, 52% of those aged 3 and over, said they can speak Welsh in 2021, more than in 93% of Welsh towns. Welsh language ↓
Older than most towns
Half of Valley’s residents are under 51.2 and half over, against 44.4 in the typical UK town. 29% are 65 or over, against 21% across Wales’s towns. Ages ↓
Written from the data on this page: ONS Census 2021 (output areas summed to the 2022 built-up area).
A median age of 51.2: Valley is older than 90% of UK towns
Share of residents in each five-year age band, Census 2021.
Across Wales’s towns, the share of residents aged 15 to 24 is 12%; Valley has 11%. For Valley, the census puts residents aged 65 and over at 29%.
Broad ages · share of residents
Women and men · all residents
51% women, 49% men
About 95 men for every 100 women. Across Wales, 51% of residents are women.
Valley sits below 97% of UK towns for residents who moved in within the year (6%)
What adults did at the 2021 Census (the ONS’s NS-SEC classes), and where residents lived a year earlier.
Adults by occupation class · residents 16 and over
Address a year before the Census
Residents who lived somewhere else a year earlier. The bar runs to 25%.
The share of full-time students tops 80% of UK towns: 5.7%. For residents who moved in within the year, the comparison across Wales’s towns is 9.1%.
The Census was taken on 21 March 2021, in term time, so students were counted at their term addresses.
Valley households average 2.2 people, smaller than in 85% of UK towns
Household make-up at the 2021 Census. Each square is 1% of households.
Against Gwynedd’s towns and Wales’s towns
People per household
Wales’s towns.
Nothing unusual on one-person households: 32%, close to the figure across Wales’s towns.
48% of households live in a detached house, more than in 87% of UK towns
Accommodation type and cars or vans per household, Census 2021. Owning and renting are on Cost of living.
Type of home
Cars or vans · share of households
Compared with 21% across Wales’s towns, just over one in ten households have no car or van here. Against that, nearly a quarter of households live in a detached house across Wales’s towns. Here, 7.4% of households live in a flat or apartment. Valley has fewer households in terraced houses than 77% of UK towns, at 14%.
A smaller share of residents born outside the UK than 95% of UK towns: 2.7%
Country of birth, year of arrival and main language, Census 2021.
Born outside the UK, by region · share of all residents; the bar runs to 10%
Main language · residents aged 3 and over
100% of residents have English as their main language (Wales’s towns: 96%). Across Wales’s towns, 7.4% of residents were born outside the UK. Among residents born abroad, the largest groups were born in EU countries (1.9%) and in the Middle East and Asia (0.3%).
52% of people in Valley speak Welsh
Welsh language skills, residents aged 3 and over, Census 2021.
Welsh language skills · residents aged 3 and over
Asked in 2021, 1,021 residents aged 3 and over, 52%, said they can speak Welsh; across Welsh towns, 16%: more than in 93% of Welsh towns. Within Gwynedd, Caernarfon has the largest share, 82%.
Residents who describe themselves as Christian make up 56% in Valley, more than in 82% of UK towns
How residents described themselves at the 2021 Census. Lines join the lowest and highest of the three figures.
Ethnic groups other than White British · all residents
White British, not charted: 97% of Valley · Gwynedd’s towns 93% · Wales’s towns 90%.
Religion · all residents
37% of residents said they have no religion; across Wales’s towns the figure is 47%. Residents who describe themselves as Christian make up 43% across Wales’s towns.
11% of residents give unpaid care, a share 88% of UK towns don’t reach
Legal partnership status (residents 16 and over) and unpaid care (residents 5 and over), Census 2021.
Partnership status · residents 16 and over
Unpaid care given · share of residents 5 and over
Across Wales’s towns, the share of adults who have never married is 38%; Valley has 31%. The comparison figure for unpaid carers is 10% across Wales’s towns. Unpaid care takes 50 hours a week or more for 79 people. 48% of adults are married or in a civil partnership, a higher share than in 53% of UK towns.
26% of adults hold a degree-level qualification
Highest qualification, residents 16 and over, Census 2021.
Highest qualification · residents 16 and over
Degree-level qualifications are held by 26% of Valley’s adults, against 31% across Wales’s towns; 19% have no qualification (20%).
1 of the 5 nearest towns are older than Valley
Nearby built-up areas coloured by median age, Census 2021. Tap a town for its page.
| Town | People | Away | Median age | 65+ | Homes with children |
|---|---|---|---|---|---|
| Valley | 2,003 | — | 51.2 | 29% | 23% |
| Bodedern | 1,193 | 2.6 mi | 41.2 | 20% | 29% |
| Holyhead | 11,753 | 3.2 mi | 39.4 | 18% | 29% |
| Llanerchymedd | 1,155 | 8.4 mi | 44.3 | 21% | 30% |
| Cemaes | 1,023 | 9.8 mi | 57.2 | 37% | 18% |
| Llangefni | 5,264 | 10.7 mi | 39.5 | 20% | 31% |
Health, work and homes have their own pages
What this data can and can’t tell you
- The Census was taken in a lockdown, in term time. 21 March 2021 fell in term time, and students were asked to give their term-time address, so most were counted where they study. Some may have been living with family that day.
- “Gwynedd’s towns” and “Wales’s towns” mean their built-up areas. Census comparisons pool every built-up area in Gwynedd (or Wales), summed the same way as Valley’s figures, so households in open countryside are left out.
- Small counts are blurred. The ONS adds small random changes to Census counts to protect privacy, so the same total differs a little between tables, and the shares of a small town can move by a point or two.
Questions about Valley’s residents
What is the population of Valley?
The 2021 Census counted 2,003 people in Valley’s built-up area.
What is the average age in Valley?
The median age was 51.2 at the 2021 Census. 11% of residents were 15 to 24 and 29% were 65 or over.
How diverse is Valley?
97% of residents described themselves as White British in 2021, against 90% across Wales’s towns and 93% across Gwynedd’s towns. 2.7% were born outside the UK.
What religion are people in Valley?
37% said they had no religion and 56% that they were Christian at the 2021 Census; 0.3% were Muslim and 6.1% didn’t answer.
Is Valley good for families?
23% of households had dependent children in 2021, against 27% across Wales’s towns. Schools are on Valley’s schools page.
How many people speak Welsh in Valley?
1,021 residents aged 3 and over, 52%, said they can speak Welsh at the 2021 Census, against 16% across Welsh towns.
Sources: ONS Census 2021, output areas summed to the ONS 2022 built-up area (TS002, TS003, TS004, TS007A, TS008, TS015, TS017, TS019, TS021, TS029, TS030, TS039, TS044, TS045, TS062, TS067, TS032). All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.